The horror of the earthquake in Haiti is unimaginable. If you're willing and able to help, please consult this comprehensive and reliable list, compiled by The Washington Post. The FBI also reminds us to be aware of scams and to contribute to know organizations directly (and to be aware of sites and/or people claiming to be from those organizations. Check URLs and info, carefully!

Oxfam has an emergency team in the capital, Port-au-Prince, responding with public health, water, and sanitation services. You can donate online through its Haiti Earthquake Response Fund or by calling 1-800-77-OXFAM.

Partners In Health is taking contributions for relief efforts in Haiti, including medical supplies. The organization has had a presence in Haiti for more than 20 years, working to address the health care needs of the country's poor.

You can donate to The Salvation Army's efforts in Haiti by calling 800-SAL-ARMY (725-2769) or visiting their Web site and designating that your donation is for the Haiti earthquake.

The UN World Food Programme is accepting donations. You can donate here.

National Nurses United has issued a call for nurse volunteers to provide assistance to those affected by the earthquake in Haiti.

The American Red Cross is in the capital and already assisting in the relief and food distribution efforts.

Other Reputable Relief Effort Organizations:

United Nations Central Emergency Response Fund (CERF)
Mercy Corps
Save the Children
World Vision
Catholic Relief Services
UNICEF
International Medical Corps
Network for Good
CARE
Operation USA
Operation Blessing International
Convoy of Hope
The Global Syndicate
GlobalGiving
Beyond Borders
Community Coalition for Haiti
International Orthodox Christian Charities
Baptist World Aid
Doctors Without Borders
Habitat for Humanity
Action Against Hunger
Direct Relief International
B'nai B'rith International
Bright Hope
Hope for Haiti
American Jewish World Service
World Relief
TractorShare
American Friends Service Committee
Food for the Poor
CHF International
The Lambi Fund of Haiti
Islamic Relief USA, in coordination with The Church of Jesus Christ of Latter-day Saints

The State Department has set up a hotline for Americans to inquire after family in Haiti: 888-407-4747.

There are several ways to donate via mobile device:

Text the word "Yele" to 501501 to donate $5 on behalf of the Yele Haiti Foundation, founded by Haitian musician Wyclef Jean.

Text the word "Haiti" to 85944 to donate $5 on behalf of the Rescue Union Mission and MedCorp International.

Text the word "Haiti" to 25383 to donate $5 on behalf of the Internal Rescue Committee.

Text the word "Haiti" to 90999 to donate $10 on behalf of the American Red Cross.

Text the word "Haiti" to 45678 (in Canada only) on behalf of the Salvation Army in Canada. You can also find updated information and general ways to help during disasters at ReliefWeb, USAID and InterAction.